Home / 9,165,220.56-12,648,227.16-5,035,519.20

Finding the Fourth Proportional to 9,165,220.56, 12,648,227.16 and 5,035,519.20

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Solution

The fourth proportional to 9,165,220.56, 12,648,227.16 and 5,035,519.20 is: 6,949,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,220.56 : 12,648,227.16 = 5,035,519.20 : x
  2. Step 2: Convert to fraction form
    9,165,220.56/12,648,227.16 = 5,035,519.20/x
  3. Step 3: Cross multiply
    9,165,220.56x = 12,648,227.16 × 5,035,519.20
  4. Step 4: Simplify right side
    9,165,220.56x = 63,690,390,710,141.48
  5. Step 5: Solve for x
    x = 63,690,390,710,141.48/9,165,220.56
  6. Step 6: Final answer
    x = 6,949,138.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.